Heap-based buffer overflow in ImageMagick - CVE-2026-53465
Published: June 10, 2026
Vulnerability identifier: #VU134219
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-53465
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to heap-based buffer overflow in the SF3 encoder when encoding a crafted multi-frame image. A remote attacker can supply a specially crafted multi-frame image for encoding to cause a denial of service.
How to mitigate CVE-2026-53465
Install security update from vendor's website.